Systems Network Engineer II - Cloud & Security (Onsite, SD)

SAIC; San Diego (CA); On-site; USD 90,000 - 130,000; Full time

Job summary

SAIC seeks a Systems Network Engineer II to design, configure, integrate, and sustain secure network infrastructure across on-premises labs, cloud environments, and distributed computing platforms. You will collaborate with network, cloud, cybersecurity, software, and infra teams to troubleshoot connectivity and maintain documentation.

The role emphasizes hands-on troubleshooting, expansion into cloud networking, containerized environments, and modern infrastructure technologies in an onsite San

Qualifications

• Bachelor's degree with 5+ years of related experience or higher degrees with equivalent experience.
• Strong foundational experience in network engineering, administration, or infrastructure roles.
• Experience configuring Layer 2/3 networks, including switching, routing, VLANs, and segmentation.
• Knowledge of TCP/IP, DNS, DHCP, routing, and network addressing.
• Experience with firewalls, ACLs, VPNs, and security technologies.
• Ability to troubleshoot connectivity, performance, latency, and configuration issues using network monitoring tools.
• Experience documenting topology, data-flow, and configuration records.

Responsibilities

• Configure, maintain, and troubleshoot Layer 2 and Layer 3 network infrastructure across on-premises lab, test, cloud, and distributed environments.
• Support connectivity by integrating compute nodes with network infrastructure and cloud/on-prem services.
• Develop and maintain network topology diagrams, data-flow docs, and interface information.
• Configure and maintain network security controls (ACLs, firewall rules, segmentation) for least-privilege access.
• Deploy, monitor, and troubleshoot secure remote and site-to-site connectivity (IPsec, SSL/VPN).
• Monitor network health, throughput, packet loss, and latency; troubleshoot L2/L3 issues.
• Support provisioning of cloud networking components (VPCs/VNets, subnets, route tables, peering, private endpoints).
• Collaborate with senior engineers, cloud/platform teams, cybersecurity, software, and infra groups to resolve complex issues.

Skills

Layer 2/3 networking

Network troubleshooting

Access control lists

VPNs (IPsec/SSL)

Network security hardening

Documentation & diagrams

Collaboration across teams

Cloud networking concepts

TLS/SSL knowledge

Education

Bachelor's Degree in a related field

Master's Degree

PhD

Tools

Wireshark

Firewall appliances

VPN technology

IPsec

Cloud networking (VPCs/VNets)

Job description

SAIC seeks a Systems Network Engineer II to design, configure, integrate, and sustain secure network infrastructure across on-premises labs, cloud environments, and distributed computing platforms. You will collaborate with network, cloud, cybersecurity, software, and infra teams to troubleshoot connectivity and maintain documentation.

The role emphasizes hands-on troubleshooting, expansion into cloud networking, containerized environments, and modern infrastructure technologies in an onsite San